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From: "steven at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/18687] >200% compile time regression compared to gcc-3.4
Date: Sun, 27 May 2012 23:14:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18687

Steven Bosscher <steven at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |steven at gcc dot gnu.org

--- Comment #55 from Steven Bosscher <steven at gcc dot gnu.org> 2012-05-27 23:11:06 UTC ---
Some new timings:

hashes.c -O0:
    3.4.6    4.2.4    4.3.3    4.4.7    4.6.3
user    0.02076    0.02037    0.01972    0.02291    0.02286
sys    0.00383    0.00483    0.00468    0.00583    0.00568

hashes.c -O1:
    3.4.6    4.2.4    4.3.3    4.4.7    4.6.3
user    0.0278    0.0472    0.0459    0.0539    0.0572
sys    0.0046    0.0055    0.0066    0.0075    0.0082

hashes.c -O2:
    3.4.6    4.2.4    4.3.3    4.4.7    4.6.3
user    0.0452    0.0700    0.0744    0.0773    0.0842
sys    0.0047    0.0065    0.0060    0.0083    0.0086


infcodes.c -O0:
    3.4.6    4.2.4    4.3.3    4.4.7    4.6.3
user    0.0374    0.0396    0.0421    0.0499    0.0490
sys    0.0046    0.0059    0.0065    0.0064    0.0071

infcodes.c -O1:
    3.4.6    4.2.4    4.3.3    4.4.7    4.6.3
user    0.0481    0.0886    0.0821    0.0950    0.0849
sys    0.0046    0.0074    0.0066    0.0092    0.0070

infcodes.c -O2:
    3.4.6    4.2.4    4.3.3    4.4.7    4.6.3
user    0.0745    0.1303    0.1306    0.1389    0.1354
sys    0.0054    0.0096    0.0096    0.0088    0.0091